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Contains:  IC 3583, M 89, M 90, NGC 4531, NGC 4552, NGC 4569, NGC 4584
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M90 wide field, 


            Stéphane Baron
M90 wide field
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M90 wide field

Technical card

Imaging telescope or lens:Orion 80ED f/7.5

Imaging camera:Canon EOS 7D

Mount:Orion Sirius EQ-G

Guiding telescope or lens:Teleskop Service 8x50 finder

Guiding camera:Lacerta MGEN v2.03

Focal reducer:Sky Optic Réducteur correcteur de focale 0.8x

Software:IrisDeep Sky Stacker

Dates:April 13, 2015

Frames: 13x240" ISO800

Integration: 0.9 hours

Darks: ~13

Flats: ~13

Bias: ~31

Avg. Moon age: 23.57 days

Avg. Moon phase: 35.12%

Bortle Dark-Sky Scale: 3.00

Temperature: 8.00

Basic astrometry details job: 601874

RA center: 12h 36' 59"

DEC center: +12° 57' 50"

Pixel scale: 1.846 arcsec/pixel

Orientation: 176.772 degrees

Field radius: 1.147 degrees

Resolution: 3769x2409

Locations: Observatoire Astronomique de La Couyère, La Couyère, Bretagne (Ille et Vilaine), France



Stéphane Baron
License: Attribution-NonCommercial Creative Commons

Sky plot

Sky plot


M90 wide field, 


            Stéphane Baron